889535 has 4 divisors (see below), whose sum is σ = 1067448. Its totient is φ = 711624.

The previous prime is 889519. The next prime is 889579. The reversal of 889535 is 535988.

889535 = T₅₉₄ + T₅₉₅ + ... + T₅₉₈.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 889535 - 2⁴ = 889519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88949 + ... + 88958.

It is an arithmetic number, because the mean of its divisors is an integer number (266862).

2⁸⁸⁹⁵³⁵ is an apocalyptic number.

889535 is a deficient number, since it is larger than the sum of its proper divisors (177913).

889535 is a wasteful number, since it uses less digits than its factorization.

889535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177912.

The product of its digits is 43200, while the sum is 38.

The square root of 889535 is about 943.1516314994. The cubic root of 889535 is about 96.1732620484.

The spelling of 889535 in words is "eight hundred eighty-nine thousand, five hundred thirty-five".